[Sar1, Ile8]-Angiotensin II is a peptide that has multiple effects on vascular smooth muscle, including contraction of normal arteries and hypertrophy or hyperplasia of cultured cells or diseased vessels. The biological activities of angiotensin II antagonists upon basal and angiotensin II-stimulated aldosterone production were evaluated in an isolated canine glomerulosa cell preparation.

Chromogranin A (324-337), human is a peptide fragment of chromogranin A, it can be isolated from human ileal carcinoid tumor. Chromogranin A is a soluble glycoprotein stored with hormones and neuropeptides in secretory granules of most (neuro)endocrine cells and neurons, and it is also a plasma marker of neuroendocrine tumors.

Gymnoside III is a natural product from Gymnadenia conopsea.